Physical Science Quiz

Physical Science

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Question 1 of 15

1. Question

Who established the relationship between the volume of a gas and the pressure when the temperature is constant?

A. Blaise Pascal

B. Robert Boyle

C. Lavoisier

D. Archimedes

Question 2 of 15

2. Question

Suppose that a mixture of 8 g of sugar, 5.20 g of salt, and 100.01 g of flour is prepared. What is the total mass of the mixture expressed in exponential notation and with the correct number of significant figures?

1 x 10²

1.1 x 10²

1.13 x 10²

1.132 x 10²

Question 3 of 15

3. Question

In a laboratory experiment, crystal are heated in a dry glass test tube using a Bunsen burner. During heating, a clear liquid is observed inside the mouth of the test tube. Which of the following is the most reasonable conclusion drawn from this observation?

a. The gas fuel used to heat the crystals forms water as it burns.

b. The crystals give off water when heated.

c. The crystals give off both hydrogen and oxygen gases that combine to form water.

d. Condensation from the air collects on the test tube as the crystals are heated.

Question 4 of 15

4. Question

A sample of a pure solid substance is heated at a constant rate and its temperature recorded as a function of time. A graph of the data is shown above. At about what temperature is the heat added being used to melt the substance?

25 °C

41 °C

53 °C

60 °C

Question 5 of 15

5. Question

Use of a small quantity of which of the following gases in a classroom requires special consideration because the gas is poisonous?

a. Steam

b. Hydrogen

c. Hydrogen sulfide

d. Carbon dioxide

Question 6 of 15

6. Question

Which of the following properties of a substance depends on the amount of the sample?

a. Temperature

b. Half-life

c. Density

d. Inertia

Question 7 of 15

7. Question

Refrigerators use the process of __________ to remove heat from the interiors.

A. combustion

B. compression

C. sublimation

D. evaporation

Question 8 of 15

8. Question

According to the kinetic theory, all matter is composed of __________.

A. solid material

B. waves

C. plasma

D. particles

Question 9 of 15

9. Question

Supplies appropriate for the measurement in a school laboratory of the density of a small rock sample include all of the following EXCEPT

a. water

b. a graduated cylinder

c. a platform balance

d. a thermometer

Question 10 of 15

10. Question

The purpose of generators in a power plant is to transform energy from

a. chemical to electrical

b. electrical to chemical

c. mechanical to chemical

d. mechanical to electrical

Question 11 of 15

11. Question

The radius of the path of an object in uniform circular motion is doubled. The centripetal force needed if its speed remains the same is ________.

A. Four times as before

B. Half as great as before

C. Twice as much

D. Three times as much

Question 12 of 15

12. Question

A rifle recoils from firing a bullet. The speed of the recoil is slow because ___________.

A. The force against the rifle is less

B. The rifle has more mass than the bullet

C. The impulse on the rifle is less

D. The momentum of the rifle is unchanged.

Question 13 of 15

13. Question

A ball is launched at an angle of 60 degrees from the horizontal. What do you call the horizontal distance traveled by the ball?

A. Trajectory

B. Projectile

C. Range

D. Hyperbola

Question 14 of 15

14. Question

__________ is the thermal energy that flows from a material with a higher temperature to one with a lower temperature.